California doesn't require it except in special cases and due to impacted budgets it is diminishing. https://www.huffpost.com/entry/california-school-bus-serv

California doesn't require it except in special cases and due to impacted budgets it is diminishing. https://www.huffpost.com/entry/california-school-bus-service-vanishing_n_946860 https://www.huffpost.com/entry/california-school-bus-service...